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Switch off the power point when not in use. Do not just unplug the charger/wire cable, keeping the main switch on.
Switch To LED light globes at home to save on power.
The ideal temperature for your freezer is 4 or 5 degrees Celsius and -15 to -18 degrees.
Use the economy cycle on your dishwasher,
Every degree above 20 degrees can add 10% to your heating bill.
If possible, use an effectively insulated ceiling on the roof.
Use solar electricity if you can. Solar hot water systems can also help you avoid gas charges using a gas-fired water heater.